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Vulnerability record · CVE-2011-1249 · published 16 June 2011

CVE-2011-1249: Microsoft windows 2003 server permissions and access controls vulnerability

Microsoft · Windows 2003 Server

The Ancillary Function Driver (AFD) in afd.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Ancillary Function Driver Elevation of Privilege Vulnerability."

7.2 CVSS 2.0 High EPSS 8.5% · top 5.2% CWE-264 · Permissions and access controls
7.2CVSS 2.0 base score
8.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

The Ancillary Function Driver (AFD) in afd.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Ancillary Function Driver Elevation of Privilege Vulnerability."

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-046
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12731
https://www.exploit-db.com/exploits/40564/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-046
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12731
https://www.exploit-db.com/exploits/40564/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-1249), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.